VIVOSUN R4 4 Inch 190 CFM Inline Duct Ventilation Fan with Variable Speed Controller for Grow Tent

Name: VIVOSUN R4 4 Inch 190 CFM Inline Duct Ventilation Fan with Variable Speed Controller for Grow Tent
Brand: VIVOSUN
SKU: awhd-us-b01dxymgom
Price: 50.85 USD
Availability: InStock

Brand: VIVOSUN

Condition: Used

$50⁸⁵

$66¹¹

-24% Save $15²⁶

Updated: 2 days ago

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Description

Durable & Energy-Efficient Ventilation: Constructed from reinforced plastic housing for long-lasting reliability; This powerful blower with a fan speed of 2300 RPM can create an air flow of 190 CFM; It combines the features and benefits of axial and centrifugal fan, effectively circulating air

Low Noise Level: The durable fan blades revolve smoothly and powerfully, which helps collect airflow volume and cut noise output; A less than 30 dB noise level will not disturb your work

Adjustable Speed: A stepless speed controller on the power cord enables the fan to run at different speeds; With this speed switch, you can adjust it to the desired airflow level

Easy Installation: This duct fan is compact and lightweight so it can be installed in small areas; Comes with an installation bracket indicating the direction of the airflow; Removable duct ends with locking tabs

Versatile Applications: Suitable for industrial, household and horticulture ventilation applications; It can quietly and efficiently moving large volumes of air throughout your ventilation system

Suitable for indoors: VIVOSUN fan is the ideal solution for your indoor grow room (grow tent air circulation), bathroom moisture removal, basement mold prevention, and 3D printing workshop heat & dust management

Featuring a brushless motor with durable blades and lubricated bearings, the VIVOSUN inline duct fan can solve most of your ventilation issues. Its variable fan speed controller enables you to optimize airflow and noise level for any application. A perfect solution for multi-purpose use in both residential and commercial ventilation!

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Product Details

SKU:: awhd-us-b01dxymgom
Model:: 306201P-4
Country:: US
ASIN:: B01DXYMGOM
UPC:: 714119464157

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $15 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for VIVOSUN products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.